The first one keeps a log of events (start routing, mouse motion, etc).
The second allows for adding temporary debug drawings and messages which are stored synchronously with the events in LOGGER.
The event stream together with the PCB design (now with UUIDs) can be used to deterministically replay routing bugs as the user sees them.
* Split up the thirdparty code into the thirdparty folder (#3637)
* Create a new kimath static library containing all the math functions
This is part of cleaning the build system for #1906.
Changes SHAPE_CONVEX to SHAPE_SIMPLE to better reflect the limitations.
Changes SHAPE_LINE_CHAIN::PointInside calculation to allow points
strictly inside a line chain
Fixes: lp:1768862
* https://bugs.launchpad.net/kicad/+bug/1768862